Created at	Source	Raw Value	Validated value
April 22, 2021, 12:31 a.m.	usa	multi-center	multi-center
April 9, 2021, 12:31 a.m.	usa	single-center	single-center
Jan. 17, 2021, 12:31 a.m.	usa	multi-center	multi-center
Jan. 16, 2021, 12:31 a.m.	usa	single-center	single-center
Jan. 15, 2021, 12:31 a.m.	usa	multi-center	multi-center